#include <ulib.h>
#include <stdio.h>

int
main(void) {
	int i;
	cprintf("Hello, I am process %d.\n", getpid());
	for (i = 0; i < 5; i ++) {
		yield();
		cprintf("Back in process %d, iteration %d.\n", getpid(), i);
	}
	cprintf("All done in process %d.\n", getpid());
	cprintf("yield pass.\n");
	return 0;
}

